Explain when to add exponents versus when to subtract exponents.

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Twelve less than a number is at most 20